| # | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 629629 | 2022-08-14T19:28:56 Z | study | Rarest Insects (IOI22_insects) | C++17 | 60 ms | 412 KB |
#include <bits/stdc++.h>
#include "insects.h"
using namespace std;
int min_cardinality(int N) {
bitset<2000> inside;
int nbElems = 0;
for (int i=0; i<N; ++i){
move_inside(i);
if (i != 0){
int maxFreq = press_button();
if (maxFreq > 1) move_outside(i);
else{
++nbElems;
inside[i] = true;
}
}
else{
++nbElems;
inside[i] = true;
}
}
if (nbElems == 1) return N;
if (nbElems == N) return 1;
int in = nbElems, crt = 1;
int deb = 2, fin = N/nbElems, ans = 1;
vector<int> last;
while (deb <= fin){
int mid = fin-(fin-deb)/2;
if (crt > mid) mid = deb+(fin-deb)/2;
bool ok = false;
if (crt > mid){
for (int i=0; i<crt-mid; ++i){
if (last.empty()) break;
inside[last.back()] = false;
move_outside(last.back());
last.pop_back();
in--;
}
bool yes = false;
int cnt = 0;
while (!last.empty()){
int sqrt_siz = sqrt((int)last.size());
if (cnt%40 == 0 and press_button() <= mid){
yes = true;
break;
}
++cnt;
int l = last.back();
move_outside(l);
inside[l] = false;
last.pop_back();
in--;
}
if (in == nbElems*mid and yes){
ok = true;
}
crt = mid;
}
else last.clear();
int delta = mid-crt;
vector<int> outside;
if (!ok){
for (int i=0; i<N; ++i){
if (!inside[i]){
move_inside(i);
--delta;
++in;
if (delta >= 0){
inside[i] = true;
last.emplace_back(i);
continue;
}
crt = press_button();
if (in == mid*nbElems and crt == mid){
ok = true;
inside[i] = true;
last.emplace_back(i);
break;
}
if (crt > mid){
outside.emplace_back(i);
move_outside(i);
--in;
--crt;
}
else{
inside[i] = true;
last.emplace_back(i);
}
}
}
}
if (ok){
crt = mid;
ans = mid;
deb = mid+1;
}
else{
for (int i:outside) inside[i] = true;
fin = mid-1;
}
crt = mid;
}
return ans;
}
Compilation message
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 0 ms | 208 KB | Output is correct |
| 2 | Correct | 0 ms | 208 KB | Output is correct |
| 3 | Correct | 1 ms | 208 KB | Output is correct |
| 4 | Correct | 0 ms | 208 KB | Output is correct |
| 5 | Correct | 0 ms | 208 KB | Output is correct |
| 6 | Correct | 2 ms | 208 KB | Output is correct |
| 7 | Correct | 2 ms | 208 KB | Output is correct |
| 8 | Correct | 2 ms | 208 KB | Output is correct |
| 9 | Correct | 6 ms | 208 KB | Output is correct |
| 10 | Correct | 4 ms | 208 KB | Output is correct |
| 11 | Correct | 2 ms | 208 KB | Output is correct |
| 12 | Correct | 4 ms | 208 KB | Output is correct |
| 13 | Correct | 4 ms | 208 KB | Output is correct |
| 14 | Correct | 4 ms | 208 KB | Output is correct |
| 15 | Correct | 5 ms | 208 KB | Output is correct |
| 16 | Correct | 5 ms | 208 KB | Output is correct |
| 17 | Correct | 4 ms | 208 KB | Output is correct |
| 18 | Correct | 5 ms | 208 KB | Output is correct |
| 19 | Correct | 6 ms | 208 KB | Output is correct |
| 20 | Correct | 8 ms | 208 KB | Output is correct |
| 21 | Correct | 4 ms | 208 KB | Output is correct |
| 22 | Correct | 3 ms | 208 KB | Output is correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 0 ms | 208 KB | Output is correct |
| 2 | Correct | 0 ms | 208 KB | Output is correct |
| 3 | Correct | 1 ms | 208 KB | Output is correct |
| 4 | Correct | 0 ms | 208 KB | Output is correct |
| 5 | Correct | 0 ms | 208 KB | Output is correct |
| 6 | Correct | 2 ms | 208 KB | Output is correct |
| 7 | Correct | 2 ms | 208 KB | Output is correct |
| 8 | Correct | 2 ms | 208 KB | Output is correct |
| 9 | Correct | 6 ms | 208 KB | Output is correct |
| 10 | Correct | 4 ms | 208 KB | Output is correct |
| 11 | Correct | 2 ms | 208 KB | Output is correct |
| 12 | Correct | 4 ms | 208 KB | Output is correct |
| 13 | Correct | 4 ms | 208 KB | Output is correct |
| 14 | Correct | 4 ms | 208 KB | Output is correct |
| 15 | Correct | 5 ms | 208 KB | Output is correct |
| 16 | Correct | 5 ms | 208 KB | Output is correct |
| 17 | Correct | 4 ms | 208 KB | Output is correct |
| 18 | Correct | 5 ms | 208 KB | Output is correct |
| 19 | Correct | 6 ms | 208 KB | Output is correct |
| 20 | Correct | 8 ms | 208 KB | Output is correct |
| 21 | Correct | 4 ms | 208 KB | Output is correct |
| 22 | Correct | 3 ms | 208 KB | Output is correct |
| 23 | Correct | 10 ms | 208 KB | Output is correct |
| 24 | Correct | 8 ms | 208 KB | Output is correct |
| 25 | Correct | 19 ms | 208 KB | Output is correct |
| 26 | Correct | 23 ms | 296 KB | Output is correct |
| 27 | Correct | 16 ms | 208 KB | Output is correct |
| 28 | Correct | 11 ms | 208 KB | Output is correct |
| 29 | Correct | 19 ms | 296 KB | Output is correct |
| 30 | Correct | 11 ms | 296 KB | Output is correct |
| 31 | Correct | 25 ms | 276 KB | Output is correct |
| 32 | Correct | 22 ms | 208 KB | Output is correct |
| 33 | Correct | 25 ms | 300 KB | Output is correct |
| 34 | Correct | 17 ms | 328 KB | Output is correct |
| 35 | Correct | 24 ms | 276 KB | Output is correct |
| 36 | Correct | 25 ms | 280 KB | Output is correct |
| 37 | Correct | 27 ms | 276 KB | Output is correct |
| 38 | Correct | 20 ms | 208 KB | Output is correct |
| 39 | Correct | 20 ms | 208 KB | Output is correct |
| 40 | Correct | 15 ms | 284 KB | Output is correct |
| 41 | Correct | 9 ms | 208 KB | Output is correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 0 ms | 208 KB | Output is correct |
| 2 | Correct | 1 ms | 208 KB | Output is correct |
| 3 | Correct | 0 ms | 208 KB | Output is correct |
| 4 | Correct | 0 ms | 208 KB | Output is correct |
| 5 | Correct | 1 ms | 208 KB | Output is correct |
| 6 | Correct | 1 ms | 208 KB | Output is correct |
| 7 | Correct | 19 ms | 208 KB | Output is correct |
| 8 | Correct | 21 ms | 208 KB | Output is correct |
| 9 | Correct | 49 ms | 280 KB | Output is correct |
| 10 | Correct | 60 ms | 280 KB | Output is correct |
| 11 | Correct | 36 ms | 288 KB | Output is correct |
| 12 | Correct | 23 ms | 288 KB | Output is correct |
| 13 | Correct | 35 ms | 284 KB | Output is correct |
| 14 | Correct | 55 ms | 280 KB | Output is correct |
| 15 | Correct | 28 ms | 208 KB | Output is correct |
| 16 | Correct | 47 ms | 280 KB | Output is correct |
| 17 | Correct | 38 ms | 208 KB | Output is correct |
| 18 | Correct | 44 ms | 280 KB | Output is correct |
| 19 | Correct | 42 ms | 284 KB | Output is correct |
| 20 | Correct | 45 ms | 208 KB | Output is correct |
| 21 | Correct | 44 ms | 408 KB | Output is correct |
| 22 | Correct | 43 ms | 292 KB | Output is correct |
| 23 | Correct | 38 ms | 208 KB | Output is correct |
| 24 | Correct | 43 ms | 208 KB | Output is correct |
| 25 | Correct | 26 ms | 284 KB | Output is correct |
| 26 | Correct | 20 ms | 208 KB | Output is correct |
| 27 | Correct | 55 ms | 208 KB | Output is correct |
| 28 | Correct | 29 ms | 284 KB | Output is correct |
| 29 | Correct | 46 ms | 208 KB | Output is correct |
| 30 | Correct | 59 ms | 280 KB | Output is correct |
| 31 | Correct | 40 ms | 288 KB | Output is correct |
| 32 | Correct | 42 ms | 208 KB | Output is correct |
| 33 | Correct | 38 ms | 284 KB | Output is correct |
| 34 | Correct | 44 ms | 280 KB | Output is correct |
| 35 | Correct | 57 ms | 292 KB | Output is correct |
| 36 | Correct | 34 ms | 208 KB | Output is correct |
| 37 | Correct | 41 ms | 288 KB | Output is correct |
| 38 | Correct | 41 ms | 276 KB | Output is correct |
| 39 | Correct | 37 ms | 288 KB | Output is correct |
| 40 | Correct | 35 ms | 280 KB | Output is correct |
| 41 | Correct | 20 ms | 292 KB | Output is correct |
| 42 | Correct | 24 ms | 208 KB | Output is correct |
| 43 | Correct | 10 ms | 208 KB | Output is correct |
| 44 | Correct | 39 ms | 412 KB | Output is correct |
| 45 | Correct | 23 ms | 284 KB | Output is correct |
| 46 | Correct | 32 ms | 208 KB | Output is correct |
| 47 | Correct | 25 ms | 288 KB | Output is correct |
| 48 | Correct | 29 ms | 276 KB | Output is correct |